Recent Advances on the Electrosynthesis of H2O2 Through Two-Electron Water Oxidation.

IF 3.7 2区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
Kairui Wang, Marshet Getaye Sendeku, Muzammil Hussain, Xueying Gao, Yuxin Huang, Boyu Ding, Liyun Huang, Kesheng Qu, Ying Yang, Xiaoming Sun, Fengmei Wang
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Abstract

Hydrogen peroxide (H2O2) is an eco-friendly oxidant with broad industrial applications, including wastewater treatment and paper bleaching. Despite the energy-intensive anthraquinone process is the dominant method for H2O2 production, there is a growing interest in direct electrochemical synthesis as a greener production method. Electrochemical synthesis, leveraging renewable energy and abundant resources, offers a promising alternative for on-site H2O2 production. This review focuses on advancements in the two-electron water oxidation reaction (2e- WOR) for H2O2 synthesis, covering the reaction mechanisms, catalyst development, and reactor designs. In particular, this review emphasizes the importance of understanding reaction mechanisms on guiding the electrocatalyst design. At the same time, this review highlights challenges in indirect H2O2 through tuning the electrolyte ions, like the carbonate or bicarbonate electrolytes, and the need for a comprehensive understanding of the electrolyte ion mediation pathways to guide the development of accurate theoretical models for predicting catalyst performance.

双电子水氧化电合成H2O2的研究进展。
过氧化氢(H2O2)是一种具有广泛工业应用的环保型氧化剂,包括废水处理和纸张漂白。尽管能源密集型的蒽醌工艺是生产H2O2的主要方法,但作为一种更环保的生产方法,直接电化学合成的兴趣越来越大。电化学合成利用可再生能源和丰富的资源,为现场生产H2O2提供了有前途的替代方案。本文综述了双电子水氧化反应(2e- WOR)合成H2O2的研究进展,包括反应机理、催化剂开发和反应器设计。本文特别强调了了解反应机理对指导电催化剂设计的重要性。同时,本文强调了通过调整电解质离子(如碳酸盐或碳酸氢盐电解质)来间接处理H2O2的挑战,以及全面了解电解质离子介导途径的必要性,以指导准确预测催化剂性能的理论模型的发展。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Chemistry - A European Journal
Chemistry - A European Journal 化学-化学综合
CiteScore
7.90
自引率
4.70%
发文量
1808
审稿时长
1.8 months
期刊介绍: Chemistry—A European Journal is a truly international journal with top quality contributions (2018 ISI Impact Factor: 5.16). It publishes a wide range of outstanding Reviews, Minireviews, Concepts, Full Papers, and Communications from all areas of chemistry and related fields. Based in Europe Chemistry—A European Journal provides an excellent platform for increasing the visibility of European chemistry as well as for featuring the best research from authors from around the world. All manuscripts are peer-reviewed, and electronic processing ensures accurate reproduction of text and data, plus short publication times. The Concepts section provides nonspecialist readers with a useful conceptual guide to unfamiliar areas and experts with new angles on familiar problems. Chemistry—A European Journal is published on behalf of ChemPubSoc Europe, a group of 16 national chemical societies from within Europe, and supported by the Asian Chemical Editorial Societies. The ChemPubSoc Europe family comprises: Angewandte Chemie, Chemistry—A European Journal, European Journal of Organic Chemistry, European Journal of Inorganic Chemistry, ChemPhysChem, ChemBioChem, ChemMedChem, ChemCatChem, ChemSusChem, ChemPlusChem, ChemElectroChem, and ChemistryOpen.
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